Home / 8,151.24-12,224.34-2,955.84

Finding the Fourth Proportional to 8,151.24, 12,224.34 and 2,955.84

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Solution

The fourth proportional to 8,151.24, 12,224.34 and 2,955.84 is: 4,432.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.24 : 12,224.34 = 2,955.84 : x
  2. Step 2: Convert to fraction form
    8,151.24/12,224.34 = 2,955.84/x
  3. Step 3: Cross multiply
    8,151.24x = 12,224.34 × 2,955.84
  4. Step 4: Simplify right side
    8,151.24x = 36,133,193.15
  5. Step 5: Solve for x
    x = 36,133,193.15/8,151.24
  6. Step 6: Final answer
    x = 4,432.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.